Telephone Building Entrance Blocks

1890ECM1-25 (Previously 2225MQC-25)

Features & Benefits:

Protects up to 25 lines - also available in 50 pair
(1890ECM1-50) and 100 pair (1890ECM1-100) configurations

Double door locking lid system for restricted or separate
access

Equipped with an internal fuse link

Also equipped with a removable splice chamber should the
terminal fuse within a multiple configurations

Stackable to allow for future service expansion

External ground connectors accept 6-14 AWG ground wire

Accepts industry standard 5 pin protection module

Designed to exceed the requirements set forth in
Underwriters Laboratory's UL497

Application:

The Circa 1890ECM1-25 is designed to provide overvoltage and/or current protection for commercial multi-pair applications such as shopping centers, hospitals, apartment complexes and large campus environments. This versatile unit is available with
several types of terminating options.